Exam 8: Using Muscles and Glands

Many insecticides and chemical weapons use organophosphates, a class of chemical compounds that inhibit the enzyme acetylcholinesterase. What would you predict would be the result to an organism that ingests or inhales an acetylcholinesterase inhibitor?

In your own words, rewrite a definition of the "size principle of motor unit recruitment". Justify your definition by citing specific evidence from human studies that involve recording from shin muscle and leg muscle as described from figures 8.11 and 8.12. In the text

Which of the following is NOT an accurate statement about oxytocin's role in parturition (giving birth)?

Which of the following statements does NOT accurately describe the structure and function of the heart?

Discriminate between the different types of muscle tissue described in Chapter 8. Choose which muscle type is most consistent with each statement below, and write one of the following in each blank: skeletal muscle, cardiac muscle, smooth muscle. -___________________ no electrical coupling between cells